Tag Archives: sulphites in wine

Charlotte Palmer is a food specialist who coaches individuals on how to improve their overall health, soothe food allergies and rebalance digestive issues through healthy eating. Here she discusses sulphites found in wine and how to sooth sulphite allergies.

Sulphites is an inclusive term for sulphur dioxide (S02). SO2 is a preservative widely used in winemaking (and much of the food industry) because of its antioxidant and antibacterial properties. SO2 plays an important role in preventing oxidation and maintaining a wine’s freshness. Although only a portion of SO2 added to wine will be effective as an antioxidant. The rest will combine with other elements in the wine and cease to be useful.

All wines contain sulphur dioxide in various forms, collectively known as sulphites. Even in completely unsulphured wine it is present at concentrations of up to ten milligrams per litre. Commercially made wines can contain from ten to twenty times that amount. Read more →